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package redis
import (
"fmt"
"net"
"strings"
"github.com/go-redis/redis/internal/hashtag"
"github.com/go-redis/redis/internal/pool"
)
func (c *baseClient) Pool() pool.Pooler {
return c.connPool
}
func (c *PubSub) SetNetConn(netConn net.Conn) {
c.cn = pool.NewConn(netConn)
}
func (c *ClusterClient) LoadState() (*clusterState, error) {
return c.loadState()
}
func (c *ClusterClient) SlotAddrs(slot int) []string {
state, err := c.state.Get()
if err != nil {
panic(err)
}
var addrs []string
for _, n := range state.slotNodes(slot) {
addrs = append(addrs, n.Client.getAddr())
}
return addrs
}
func (c *ClusterClient) Nodes(key string) ([]*clusterNode, error) {
state, err := c.state.Reload()
if err != nil {
return nil, err
}
slot := hashtag.Slot(key)
nodes := state.slotNodes(slot)
if len(nodes) != 2 {
return nil, fmt.Errorf("slot=%d does not have enough nodes: %v", slot, nodes)
}
return nodes, nil
}
func (c *ClusterClient) SwapNodes(key string) error {
nodes, err := c.Nodes(key)
if err != nil {
return err
}
nodes[0], nodes[1] = nodes[1], nodes[0]
return nil
}
func (state *clusterState) IsConsistent() bool {
if len(state.Masters) < 3 {
return false
}
for _, master := range state.Masters {
s := master.Client.Info("replication").Val()
if !strings.Contains(s, "role:master") {
return false
}
}
if len(state.Slaves) < 3 {
return false
}
for _, slave := range state.Slaves {
s := slave.Client.Info("replication").Val()
if !strings.Contains(s, "role:slave") {
return false
}
}
return true
}
|
